Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400432 | Coating iron oxide particles for magnetic recording | Gunter Buxbaum, Franz Hund, Volker Hahnkamm, Peter Woditsch | 1983-08-23 |
| 4378252 | Magnetic separation to improve purity of iron oxide pigments | Peter Kiemle, Franz Hund, Wolfgang Rambold | 1983-03-29 |
| 4355006 | Process for the oxidative dissociation of chrome-containing ores | Jakob Rademachers | 1982-10-19 |
| 4323596 | Coating iron oxide particles for magnetic recording | Gunter Buxbaum, Franz Hund, Volker Hahnkamm, Peter Woditsch | 1982-04-06 |
| 4235861 | Production of iron oxide pigments and sodium sulphate | Jakob Rademachers | 1980-11-25 |